In 1995, two additional hospitals joined Aurora Health Care: Lakeland Medical Center in Elkhorn, owned by Walworth County, and Trinity Memorial Hospital in Cudahy, founded in 1958 and owned by Catholic Health Corp. Aurora acquired Lakeland Medical Center for about $16 million.

In the deal, Aurora assumed the hospital's bond obligations and debt and agreed to contribute to a fund to cover the uninsured.

The kiosks, known as Aurora QuickCare, are staffed by providers who handle basic, common medical issues for a flat rate.

[12] In 2006, after 22 years at the health care organization, G. Edwin Howe retired as president and chief executive officer.

[13] Nick Turkal, a family practice physician and president of Aurora's metro Milwaukee region, was chosen as Howe's replacement.

[14] In March 2001, Aurora announced plans to build a new hospital in the Pabst Farms development in the city of Oconomowoc.

[15] In 2004, Aurora revealed plans to construct a hospital in the Pabst Farms development located in the Town of Summit a few hundred feet (around 100 meters) south of the proposed Oconomowoc site.

[17] On July 31, 2007, Advanced Healthcare, an independent practice in southeastern Wisconsin, and Aurora Health Care announced that they would join "under a broad affiliation agreement.

Health care industry experts estimated the total cost of purchasing Advanced Healthcare and constructing the Grafton hospital at $250 million.

[25] Dr Julie Ann Freischlag, CEO of AHWFB and dean of the WFU School of Medicine, stated completing clinical trials and finding new treatment approaches will be easier with a larger patient population.

[30] In 2019, the Advocate Aurora Research Institute conducted 621 clinical trials, published 505 scientific articles, and received $36.8 million in external funding.